Revenue

6 Months Ended

Jun. 30, 2024

Revenue from Contract with Customer [Abstract]

Revenue

Revenue

The following table presents our revenues from external customers disaggregated by segment and product line.

	Three Months Ended  June 30,				Six Months Ended  June 30,
(Millions of dollars)	2024		2023		2024		2023
Refining & Marketing
Refined products	$	34,094	$	32,864	$	63,341	$	64,787
Crude oil	2,099		1,875		3,887		3,205
Services and other	461		428		911		838
Total revenues from external customers	36,654		35,167		68,139		68,830
Midstream
Refined products	393		377		766		797
Services and other	867		799		1,715		1,580
Total revenues from external customers	1,260		1,176		2,481		2,377
Sales and other operating revenues	$	37,914	$	36,343	$	70,620	$	71,207

We do not disclose information on the future performance obligations for any contract with expected duration of one year or less at inception. As of June 30, 2024, we do not have future performance obligations that are material to future periods.

Receivables

On the accompanying consolidated balance sheets, receivables, less allowance for doubtful accounts primarily consists of customer receivables. Significant, non-customer balances included in our receivables at June 30, 2024 include matching buy/sell receivables of $4.66 billion.